American citizens can be ordered to decrypt their PGP-scrambled hard
drives for police to peruse for incriminating files, a federal judge in
Colorado ruled today in what could become a precedent-setting case.
....

Blackburn, a George W. Bush appointee, ruled that the Fifth Amendment posed no barrier to his decryption order. The Fifth Amendment says that nobody may be "compelled in any criminal case to be a witness
against himself," which has become known as the right to avoid
self-incrimination.

"I find and conclude that the Fifth Amendment is not implicated by
requiring production of the unencrypted contents of the Toshiba
Satellite M305 laptop computer," Blackburn wrote